White-shouldered Ibis vs Andean Ibis
Pseudibis davisoni compared with Theristicus branickii
Side-by-Side Comparison
| Attribute | White-shouldered Ibis | Andean Ibis |
|---|---|---|
| Scientific Name | Pseudibis davisoni | Theristicus branickii |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Critically Endangered | Near Threatened |
| Length | — | — |
| Wingspan | 81.4 cm (32.0 in) | 79.1 cm (31.1 in) |
| Weight | 1588.0 g (56.02 oz) | 1492.0 g (52.63 oz) |
| Diet | -- | -- |
| Clutch Size | 2-4 | 2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Critically Endangered
White-shouldered Ibis
Near Threatened
Andean Ibis
About These Birds
White-shouldered Ibis
75–80 cm. Large; dark brown with white shoulder patch; bare red facial skin. Critically Endangered; fewer than 250 birds known. Restricted to lowland Mekong forests of Cambodia, Vietnam, and Myanmar. Threatened by forest clearance and hunting; one of Asia's rarest birds.
Andean Ibis
75 cm. White head and neck with chestnut tones; black upperparts; bare reddish facial skin. Restricted to Andean grasslands (puna) of Peru, Bolivia, and northwestern Argentina at 3,000–5,000 m elevation. Vulnerable; feeds on invertebrates and small vertebrates in high-altitude bogs and grasslands.